package com.sls.mall.order.web;

import com.sls.common.exception.NoStockException;
import com.sls.mall.order.service.OmsOrderService;
import com.sls.mall.order.vo.OrderConfirmVo;
import com.sls.mall.order.vo.OrderSubmitVo;
import com.sls.mall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

@Controller
public class OrderWebController {

    @Autowired
    OmsOrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model){
        OrderConfirmVo orderConfirmVo = orderService.confirm();
        model.addAttribute("data", orderConfirmVo);
        return "confirm";
    }

    /**
     * 订单提交
     * @return
     */
    @GetMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes attributes) {
        try {
            SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
            if (responseVo.getCode() == 0) {
                // 下单成功 跳转支付页面
                model.addAttribute("submitOrderResp", responseVo);
                return "pay";
            } else {
                // 下单失败 回到订单确认页重新确认订单信息
                String msg = "下单失败";
                switch (responseVo.getCode()) {
                    case 1:
                        msg += "令牌订单信息过期，请刷新再次提交";
                        break;
                    case 2:
                        msg += "订单商品价格发生变化，请确认后再次提交";
                        break;
                    case 3:
                        msg += "库存锁定失败，商品库存不足";
                        break;
                }
                attributes.addFlashAttribute("msg", msg);
                return "redirect:http://order.slsmall.com/toTrade";
            }
        } catch (Exception e) {
            if (e instanceof NoStockException) {
                String message = e.getMessage();
                attributes.addFlashAttribute("msg", message);
            }
            return "redirect:http://order.slsmall.com/toTrade";
        }
    }
}
